CVE-2023-33087

Kernel memory corruption via unchecked RX intent length

Published Dec 5, 2023 · Updated Aug 2, 2024

Buffer overflow in Qualcomm Snapdragon Core allows local users to corrupt memory through a crafted RX intent request. The glink_slatecom_rx_data and glink_helioscom_rx_data handlers copy RX intent data without checking its supplied length against the destination buffer. The gate is local low-privileged access, and successful exploitation corrupts memory in the affected kernel driver.

CVSS severity7.8
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in Qualcomm Snapdragon Core allows local users to corrupt memory through a crafted RX intent request. The glink_slatecom_rx_data and glink_helioscom_rx_data handlers copy RX intent data without checking its supplied length against the destination buffer. The gate is local low-privileged access, and successful exploitation corrupts memory in the affected kernel driver.

The record

CVE
CVE-2023-33087
Published
Dec 5, 2023
Updated
Aug 2, 2024
Vendor
Qualcomm
Product
Snapdragon
Classifications
CWE-120, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Dec 5, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=AR8035
  2. Affected versionversion=CSRA6620
  3. Affected versionversion=CSRA6640
  4. Affected versionversion=FastConnect 6200
  5. Affected versionversion=FastConnect 6700
  6. Affected versionversion=FastConnect 6900
  7. Affected versionversion=FastConnect 7800
  8. Affected versionversion=Flight RB5 5G Platform
  9. Affected versionversion=QAM8255P
  10. Affected versionversion=QAM8295P
  11. Affected versionversion=QAM8650P
  12. Affected versionversion=QAM8775P
  13. Affected versionversion=QCA6391
  14. Affected versionversion=QCA6574
  15. Affected versionversion=QCA6574A
  16. Affected versionversion=QCA6574AU
  17. Affected versionversion=QCA6584AU
  18. Affected versionversion=QCA6595
  19. Affected versionversion=QCA6595AU
  20. Affected versionversion=QCA6696
  21. Affected versionversion=QCA6698AQ
  22. Affected versionversion=QCA6797AQ
  23. Affected versionversion=QCA8081
  24. Affected versionversion=QCA8337
  25. Affected versionversion=QCC710
  26. Affected versionversion=QCM4325
  27. Affected versionversion=QCM4490
  28. Affected versionversion=QCM5430
  29. Affected versionversion=QCM6490
  30. Affected versionversion=QCM8550
  31. Affected versionversion=QCN6224
  32. Affected versionversion=QCN6274
  33. Affected versionversion=QCN9011
  34. Affected versionversion=QCN9012
  35. Affected versionversion=QCS410
  36. Affected versionversion=QCS4490
  37. Affected versionversion=QCS5430
  38. Affected versionversion=QCS610
  39. Affected versionversion=QCS6490
  40. Affected versionversion=QCS7230
  41. Affected versionversion=QCS8250
  42. Affected versionversion=QCS8550
  43. Affected versionversion=QDU1000
  44. Affected versionversion=QDU1010
  45. Affected versionversion=QDU1110
  46. Affected versionversion=QDU1210
  47. Affected versionversion=QDX1010
  48. Affected versionversion=QDX1011
  49. Affected versionversion=QFW7114
  50. Affected versionversion=QFW7124
  51. Affected versionversion=QRB5165M
  52. Affected versionversion=QRB5165N
  53. Affected versionversion=QRU1032
  54. Affected versionversion=QRU1052
  55. Affected versionversion=QRU1062
  56. Affected versionversion=Qualcomm Video Collaboration VC1 Platform
  57. Affected versionversion=Qualcomm Video Collaboration VC3 Platform
  58. Affected versionversion=Qualcomm Video Collaboration VC5 Platform
  59. Affected versionversion=Robotics RB5 Platform
  60. Affected versionversion=SA4150P
  61. Affected versionversion=SA4155P
  62. Affected versionversion=SA6145P
  63. Affected versionversion=SA6150P
  64. Affected versionversion=SA6155P
  65. Affected versionversion=SA8145P
  66. Affected versionversion=SA8150P
  67. Affected versionversion=SA8155P
  68. Affected versionversion=SA8195P
  69. Affected versionversion=SA8255P
  70. Affected versionversion=SA8295P
  71. Affected versionversion=SA8770P
  72. Affected versionversion=SA8775P
  73. Affected versionversion=SA9000P
  74. Affected versionversion=SD 8 Gen1 5G
  75. Affected versionversion=SG4150P
  76. Affected versionversion=SG8275P
  77. Affected versionversion=SM8550P
  78. Affected versionversion=Smart Audio 400 Platform
  79. Affected versionversion=Snapdragon 4 Gen 2 Mobile Platform
  80. Affected versionversion=Snapdragon 680 4G Mobile Platform
  81. Affected versionversion=Snapdragon 685 4G Mobile Platform (SM6225-AD)
  82. Affected versionversion=Snapdragon 8 Gen 1 Mobile Platform
  83. Affected versionversion=Snapdragon 8+ Gen 1 Mobile Platform
  84. Affected versionversion=Snapdragon 8 Gen 2 Mobile Platform
  85. Affected versionversion=Snapdragon 8+ Gen 2 Mobile Platform
  86. Affected versionversion=Snapdragon AR2 Gen 1 Platform
  87. Affected versionversion=Snapdragon Auto 5G Modem-RF
  88. Affected versionversion=Snapdragon Auto 5G Modem-RF Gen 2
  89. Affected versionversion=Snapdragon W5+ Gen 1 Wearable Platform
  90. Affected versionversion=Snapdragon X75 5G Modem-RF System
  91. Affected versionversion=SSG2115P
  92. Affected versionversion=SSG2125P
  93. Affected versionversion=SW5100
  94. Affected versionversion=SW5100P
  95. Affected versionversion=SXR1230P
  96. Affected versionversion=SXR2230P
  97. Affected versionversion=WCD9335
  98. Affected versionversion=WCD9340
  99. Affected versionversion=WCD9341
  100. Affected versionversion=WCD9370
  101. Affected versionversion=WCD9375
  102. Affected versionversion=WCD9380
  103. Affected versionversion=WCD9385
  104. Affected versionversion=WCD9390
  105. Affected versionversion=WCD9395
  106. Affected versionversion=WCN3950
  107. Affected versionversion=WCN3980
  108. Affected versionversion=WCN3988
  109. Affected versionversion=WSA8810
  110. Affected versionversion=WSA8815
  111. Affected versionversion=WSA8830
  112. Affected versionversion=WSA8832
  113. Affected versionversion=WSA8835
  114. Affected versionversion=WSA8840
  115. Affected versionversion=WSA8845
  116. Affected versionversion=WSA8845H

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Qualcomm · Snapdragonversion=AR8035; version=CSRA6620; version=CSRA6640; version=FastConnect 6200; version=FastConnect 6700; version=FastConnect 6900; version=FastConnect 7800; version=Flight RB5 5G Platform; version=QAM8255P; version=QAM8295P; version=QAM8650P; version=QAM8775P; version=QCA6391; version=QCA6574; version=QCA6574A; version=QCA6574AU; version=QCA6584AU; version=QCA6595; version=QCA6595AU; version=QCA6696; version=QCA6698AQ; version=QCA6797AQ; version=QCA8081; version=QCA8337; version=QCC710; version=QCM4325; version=QCM4490; version=QCM5430; version=QCM6490; version=QCM8550; version=QCN6224; version=QCN6274; version=QCN9011; version=QCN9012; version=QCS410; version=QCS4490; version=QCS5430; version=QCS610; version=QCS6490; version=QCS7230; version=QCS8250; version=QCS8550; version=QDU1000; version=QDU1010; version=QDU1110; version=QDU1210; version=QDX1010; version=QDX1011; version=QFW7114; version=QFW7124; version=QRB5165M; version=QRB5165N; version=QRU1032; version=QRU1052; version=QRU1062; version=Qualcomm Video Collaboration VC1 Platform; version=Qualcomm Video Collaboration VC3 Platform; version=Qualcomm Video Collaboration VC5 Platform; version=Robotics RB5 Platform; version=SA4150P; version=SA4155P; version=SA6145P; version=SA6150P; version=SA6155P; version=SA8145P; version=SA8150P; version=SA8155P; version=SA8195P; version=SA8255P; version=SA8295P; version=SA8770P; version=SA8775P; version=SA9000P; version=SD 8 Gen1 5G; version=SG4150P; version=SG8275P; version=SM8550P; version=Smart Audio 400 Platform; version=Snapdragon 4 Gen 2 Mobile Platform; version=Snapdragon 680 4G Mobile Platform; version=Snapdragon 685 4G Mobile Platform (SM6225-AD); version=Snapdragon 8 Gen 1 Mobile Platform; version=Snapdragon 8+ Gen 1 Mobile Platform; version=Snapdragon 8 Gen 2 Mobile Platform; version=Snapdragon 8+ Gen 2 Mobile Platform; version=Snapdragon AR2 Gen 1 Platform; version=Snapdragon Auto 5G Modem-RF; version=Snapdragon Auto 5G Modem-RF Gen 2; version=Snapdragon W5+ Gen 1 Wearable Platform; version=Snapdragon X75 5G Modem-RF System; version=SSG2115P; version=SSG2125P; version=SW5100; version=SW5100P; version=SXR1230P; version=SXR2230P; version=WCD9335; version=WCD9340; version=WCD9341; version=WCD9370; version=WCD9375; version=WCD9380; version=WCD9385; version=WCD9390; version=WCD9395; version=WCN3950; version=WCN3980; version=WCN3988; version=WSA8810; version=WSA8815; version=WSA8830; version=WSA8832; version=WSA8835; version=WSA8840; version=WSA8845; version=WSA8845H

Published CVSS scores

7.8Qualcomm, Inc.CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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